Touhou Bunkachou ~ Shoot the Bullet. is the 9.5th official Touhou game. Touhou games are notable for basically all having really weird names to anybody who speaks English.
The battle against Cirno in Embodiment of Scarlet Devil is known for being ridiculously easy, since Cirno cannot hit you if you fly directly in front of her. This bug resulted in fans characterizing Cirno as being a baka baka, baka baka, baka baka
I've never played touhou so I'm looking at this like
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Honestly, I have also never played Touhou and only know references to it through cultural osmosis. Therefore I shall explain:
Bad apple, the famous test pattern for hardware engineers
That and running doom